/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Metadata/Accessors/PCGAttributeAccessorKeys.h
virtual bool GetMetadataEntryKeys ( int32 InStart, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [PCGMetadataEntryKey](API\Plugins\PCG\Metadata\PCGMetadataEntryKey) * > & OutEntryKeys ) const